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Finding the Fourth Proportional to 597.47, 824.49 and 331.91

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Solution

The fourth proportional to 597.47, 824.49 and 331.91 is: 458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.47 : 824.49 = 331.91 : x
  2. Step 2: Convert to fraction form
    597.47/824.49 = 331.91/x
  3. Step 3: Cross multiply
    597.47x = 824.49 × 331.91
  4. Step 4: Simplify right side
    597.47x = 273,656.48
  5. Step 5: Solve for x
    x = 273,656.48/597.47
  6. Step 6: Final answer
    x = 458.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.